Wellington Management Biotech Portfolio 2026

Wellington Management — Biotech accounts for 8 tracked companies with verified cap-table data, 8 of which disclose round sizes totalling $1.7B. The median disclosed raise is $200M, and the largest is Tubulis at $575M, ahead of Ollin Biosciences ($330M) and Boundless Bio ($256M).

The names that recur most often on these portfolio cap tables are Wellington Management (8 companies), Versant Ventures (3 companies), ARCH Venture Partners (3 companies), Nextech Invest (3 companies), Atlas Venture (3 companies), Janus Henderson Investors (3 companies). By latest disclosed round, the market skews Series A (3), Series C (3), Series B (2).

• Companies tracked: 8
• Disclosed funding total: $1.7B across 8 companies
• Median disclosed raise: $200M
• Largest raise: Tubulis — $575M
• Stage mix: Series A 3 · Series C 3 · Series B 2
• Most recent dated round: 2026-06-01

Best funded Wellington Management — Biotech companies

1. Tubulis — $575M (latest: Series A)
2. Ollin Biosciences — $330M (latest: Series B)
3. Boundless Bio — $256M (latest: Series C)
4. Obsidian Therapeutics — $200M (latest: Series C)
5. Blueprint Medicines — $115M (latest: Series C)
6. Caldera Therapeutics — $113M (latest: Series A)
7. nChroma Bio — $75M (latest: Series B)
8. Helicore Biopharma — $65M (latest: Series A)

Wellington Management Company LLP — related firms and companies (47)

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